//
//  AddAreaController.swift
//  fansarea
//  调用系统相册和拍照选择图片
//  Created by 张 on 2018/3/17.
//  Copyright © 2018年 张. All rights reserved.
//

import UIKit

class AddAreaController: UITableViewController,UIImagePickerControllerDelegate,UINavigationControllerDelegate {

    @IBOutlet weak var coverImageView: UIImageView!
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Uncomment the following line to preserve selection between presentations
        // self.clearsSelectionOnViewWillAppear = false

        // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
        // self.navigationItem.rightBarButtonItem = self.editButtonItem
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if indexPath.row == 0{
            //判断相册权限
            guard UIImagePickerController.isSourceTypeAvailable(.photoLibrary)else{
                print("相册不可用！")
                return
            }
            
            let pick = UIImagePickerController()
            pick.allowsEditing = false
            pick.sourceType = .photoLibrary
            pick.delegate = self
            self.present(pick, animated: true, completion: nil)
            
        }
        
        
        tableView.deselectRow(at: indexPath, animated: true)
        
    }
    
    //选择图片的返回方法
    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
        coverImageView.image = info[UIImagePickerControllerOriginalImage] as?UIImage
        coverImageView.contentMode = .scaleAspectFill
        coverImageView.clipsToBounds = true
        //选择完图片咱们来通过代码添加剩下的约束
        let coverWidth = NSLayoutConstraint(item: coverImageView, attribute: .width, relatedBy: .equal, toItem: coverImageView.superview, attribute: .width, multiplier: 1, constant: 0)
        let coverHight = NSLayoutConstraint(item: coverImageView, attribute: .height, relatedBy: .equal, toItem: coverImageView.superview, attribute: .height, multiplier: 1, constant: 0)
        
        coverHight.isActive = true
        coverWidth.isActive = true
        
        dismiss(animated: true, completion: nil)
    }
    
    
    // MARK: - Table view data source

//    override func numberOfSections(in tableView: UITableView) -> Int {
//        // #warning Incomplete implementation, return the number of sections
//        return 0
//    }
//
//    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
//        // #warning Incomplete implementation, return the number of rows
//        return 0
//    }

    /*
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "reuseIdentifier", for: indexPath)

        // Configure the cell...

        return cell
    }
    */

    /*
    // Override to support conditional editing of the table view.
    override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
        // Return false if you do not want the specified item to be editable.
        return true
    }
    */

    /*
    // Override to support editing the table view.
    override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
        if editingStyle == .delete {
            // Delete the row from the data source
            tableView.deleteRows(at: [indexPath], with: .fade)
        } else if editingStyle == .insert {
            // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
        }    
    }
    */

    /*
    // Override to support rearranging the table view.
    override func tableView(_ tableView: UITableView, moveRowAt fromIndexPath: IndexPath, to: IndexPath) {

    }
    */

    /*
    // Override to support conditional rearranging of the table view.
    override func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
        // Return false if you do not want the item to be re-orderable.
        return true
    }
    */

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}
